Drop EOL Python 3.8 support (#249)

* chore: add missing changelog items

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* chore: drop Python 3.8 support

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* chore: add a changelog item on Python 3.8 removal

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* chore: remove mypy-constrains reference as we don't need it anymore

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* chore: Update pre-commit check versions.

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* chore: fix isort pre-commit

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* chore: Use Python 3.12 as base version

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>

---------

Signed-off-by: Yurii Serhiichuk <savik.ne@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/main.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: 'pip'
           cache-dependency-path: 'requirements/*.txt'
       - name: Install dev dependencies
@@ -22,7 +22,7 @@ jobs:
   test:
     strategy:
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11']
+        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/pypi-release.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   build_dist:
     name: Build source distribution
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -27,7 +27,7 @@ jobs:
       - name: Check metadata
         run: pipx run twine check dist/*
   publish:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     if: github.event_name == 'push'
     needs: [ build_dist ]
     steps:
@@ -35,9 +35,9 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: 'pip'
       - name: Install build dependencies
         run: pip install -U setuptools wheel build

.pre-commit-config.yaml

@@ -1,22 +1,22 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.5.0
+    rev: v5.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
       - id: check-toml
   - repo: https://github.com/pycqa/isort
-    rev: 5.13.2
+    rev: 6.0.1
     hooks:
       - id: isort
         args: [ "--profile", "black", "--filter-files" ]
   - repo: https://github.com/psf/black
-    rev: 24.4.2
+    rev: 25.1.0
     hooks:
       - id: black
         language_version: python3.11
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.10.0
+    rev: v1.16.0
     hooks:
       - id: mypy
         files: ^(cloudevents/)

CHANGELOG.md

@@ -6,10 +6,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.12.0]
+
+### Changed
+
+- Dropped Python3.8 support while it has reached EOL. ([])
+
 ## [1.11.1]
 
 ### Fixed
 - Kafka `conversion` marshaller and unmarshaller typings ([#240])
+- Improved public API type annotations and fixed unit test type errors ([#248])
 
 ## [1.11.0]
 
@@ -293,3 +300,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#235]: https://github.com/cloudevents/sdk-python/pull/235
 [#236]: https://github.com/cloudevents/sdk-python/pull/236
 [#240]: https://github.com/cloudevents/sdk-python/pull/240
+[#248]: https://github.com/cloudevents/sdk-python/pull/248

cloudevents/__init__.py

@@ -12,4 +12,4 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-__version__ = "1.11.1"
+__version__ = "1.12.0"

requirements/constraints.txt

@@ -1,10 +0,0 @@
-# This is a requirements constraint file, see:
-# https://pip.pypa.io/en/stable/user_guide/#constraints-files
-
-# sanic stopped supporting 3.8 in 24.12:
-# https://sanic.dev/en/release-notes/changelog.html#version-24120-
-sanic<24.12.0 ; python_version == '3.8'
-
-# pydantic stopped supporting 3.8 in 2.11.0:
-# https://github.com/pydantic/pydantic/releases/tag/v2.11.0
-pydantic<2.11.0 ; python_version == '3.8'

requirements/mypy-constraints.txt

@@ -1,9 +0,0 @@
-# This is a requirements constraint file, see:
-# https://pip.pypa.io/en/stable/user_guide/#constraints-files
-
-# Because we run mypy in python 3.8 compatibility mode, dependencies must be
-# versions that support 3.8.
-
-# pydantic stopped supporting 3.8 in 2.11.0:
-# https://github.com/pydantic/pydantic/releases/tag/v2.11.0
-pydantic<2.11.0

setup.py

@@ -65,10 +65,11 @@ if __name__ == "__main__":
             "Programming Language :: Python",
             "Programming Language :: Python :: 3",
             "Programming Language :: Python :: 3 :: Only",
-            "Programming Language :: Python :: 3.8",
             "Programming Language :: Python :: 3.9",
             "Programming Language :: Python :: 3.10",
             "Programming Language :: Python :: 3.11",
+            "Programming Language :: Python :: 3.12",
+            "Programming Language :: Python :: 3.13",
             "Typing :: Typed",
         ],
         keywords="CloudEvents Eventing Serverless",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310,311,312},lint,mypy,mypy-samples-{image,json}
+envlist = py{39,310,311,312,313},lint,mypy,mypy-samples-{image,json}
 skipsdist = True
 
 [testenv]
@@ -8,12 +8,11 @@ deps =
     -r{toxinidir}/requirements/test.txt
     -r{toxinidir}/requirements/publish.txt
 setenv =
-    PIP_CONSTRAINT={toxinidir}/requirements/constraints.txt
     PYTESTARGS = -v -s --tb=long --cov=cloudevents --cov-report term-missing --cov-fail-under=95
 commands = pytest {env:PYTESTARGS} {posargs}
 
 [testenv:reformat]
-basepython = python3.11
+basepython = python3.12
 deps =
     black
     isort
@@ -22,7 +21,7 @@ commands =
     isort cloudevents samples
 
 [testenv:lint]
-basepython = python3.11
+basepython = python3.12
 deps =
     black
     isort
@@ -33,9 +32,7 @@ commands =
     flake8 cloudevents samples --ignore W503,E731 --extend-ignore E203 --max-line-length 88
 
 [testenv:mypy]
-basepython = python3.11
-setenv =
-    PIP_CONSTRAINT={toxinidir}/requirements/mypy-constraints.txt
+basepython = python3.12
 deps =
     -r{toxinidir}/requirements/mypy.txt
     # mypy needs test dependencies to check test modules
@@ -43,9 +40,8 @@ deps =
 commands = mypy cloudevents
 
 [testenv:mypy-samples-{image,json}]
-basepython = python3.11
+basepython = python3.12
 setenv =
-    PIP_CONSTRAINT={toxinidir}/requirements/mypy-constraints.txt
     mypy-samples-image: SAMPLE_DIR={toxinidir}/samples/http-image-cloudevents
     mypy-samples-json: SAMPLE_DIR={toxinidir}/samples/http-json-cloudevents
 deps =